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Change to printer RESET and STROBE operation.

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This commit is contained in:
OBattler
2018-11-09 20:00:42 +01:00
parent e73ccc2e4a
commit 1723c914cb
2 changed files with 12 additions and 6 deletions
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9
src/printer/prt_escp.c
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@@ -8,7 +8,7 @@
* *
* Implementation of the Generic ESC/P Dot-Matrix printer. * Implementation of the Generic ESC/P Dot-Matrix printer.
* *
* Version: @(#)prt_escp.c 1.0.3 2018/10/06 * Version: @(#)prt_escp.c 1.0.4 2018/11/09
* *
* Authors: Michael Dr<44>ing, <michael@drueing.de> * Authors: Michael Dr<44>ing, <michael@drueing.de>
* Fred N. van Kempen, <decwiz@yahoo.com> * Fred N. van Kempen, <decwiz@yahoo.com>
@@ -192,6 +192,7 @@ typedef struct {
uint16_t pitch; uint16_t pitch;
uint8_t *pixels; /* grayscale pixel data */ uint8_t *pixels; /* grayscale pixel data */
uint8_t ctrl;
} psurface_t; } psurface_t;
@@ -1865,7 +1866,7 @@ write_ctrl(uint8_t val, void *priv)
dev->select = 1; dev->select = 1;
} }
if ((val & 0x04) == 0) { if ((val & 0x04) && !(dev->ctrl & 0x04)) {
/* reset printer */ /* reset printer */
dev->select = 0; dev->select = 0;
@@ -1874,13 +1875,15 @@ write_ctrl(uint8_t val, void *priv)
//pclog("Write control %02x\n", val & 1); //pclog("Write control %02x\n", val & 1);
if (val & 0x01) { /* STROBE */ if (!(val & 0x01) && (dev->ctrl & 0x01)) { /* STROBE */
/* Process incoming character. */ /* Process incoming character. */
handle_char(dev); handle_char(dev);
/* ACK it, will be read on next READ STATUS. */ /* ACK it, will be read on next READ STATUS. */
dev->ack = 1; dev->ack = 1;
} }
dev->ctrl = val;
} }

9
src/printer/prt_text.c
View File

@@ -15,7 +15,7 @@
* printer mechanics. This would lead to a page being 66 lines * printer mechanics. This would lead to a page being 66 lines
* of 80 characters each. * of 80 characters each.
* *
* Version: @(#)prt_text.c 1.0.3 2018/10/05 * Version: @(#)prt_text.c 1.0.4 2018/11/09
* *
* Author: Fred N. van Kempen, <decwiz@yahoo.com> * Author: Fred N. van Kempen, <decwiz@yahoo.com>
* *
@@ -92,6 +92,7 @@ typedef struct {
uint8_t h; uint8_t h;
char *chars; /* character data */ char *chars; /* character data */
uint8_t ctrl;
} psurface_t; } psurface_t;
@@ -361,20 +362,22 @@ write_ctrl(uint8_t val, void *priv)
dev->select = 1; dev->select = 1;
} }
if ((val & 0x04) == 0) { if ((val & 0x04) && !(dev->ctrl & 0x04)) {
/* reset printer */ /* reset printer */
dev->select = 0; dev->select = 0;
reset_printer(dev); reset_printer(dev);
} }
if (val & 0x01) { /* STROBE */ if (!(val & 0x01) && (dev->ctrl & 0x01)) { /* STROBE */
/* Process incoming character. */ /* Process incoming character. */
handle_char(dev); handle_char(dev);
/* ACK it, will be read on next READ STATUS. */ /* ACK it, will be read on next READ STATUS. */
dev->ack = 1; dev->ack = 1;
} }
dev->ctrl = val;
} }